MC908JB8FBE Freescale Semiconductor, MC908JB8FBE Datasheet - Page 225

IC MCU 8K FLASH 3MHZ 44-QFP

MC908JB8FBE

Manufacturer Part Number
MC908JB8FBE
Description
IC MCU 8K FLASH 3MHZ 44-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908JB8FBE

Core Processor
HC08
Core Size
8-Bit
Speed
3MHz
Connectivity
USB
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-QFP
Processor Series
HC08JB
Core
HC08
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
USB
Maximum Clock Frequency
3 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Operating Supply Voltage
5.25 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
Minimum Operating Temperature
0 C
Controller Family/series
HC08
No. Of I/o's
37
Ram Memory Size
256Byte
Cpu Speed
8MHz
No. Of Timers
1
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Package
44PQFP
Family Name
HC08
Maximum Speed
3 MHz
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
3MHz
Total Internal Ram Size
256Byte
# I/os (max)
37
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4V
Instruction Set Architecture
CISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
44
Package Type
PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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13.9 IRQ Option Control Register
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
Address:
The IRQ option control register controls and monitors the external
interrupt function available on the PTE4 pin. It also disables/enables the
pullup resistor on the IRQ pin.
PTE4IF — PTE4 Interrupt Flag
PTE4IE — PTE4 Interrupt Enable
IRQPD — IRQ Pullup Disable
Reset:
Read:
Write:
This read-only status bit is high when a falling edge on PTE4 pin is
detected. PTE4IF bit clears when the IOCR is read.
This read/write bit enables or disables the interrupt function on the
PTE4 pin to trigger the IRQ interrupt. Setting the PTE4IE bit and
clearing the USBEN bit in the USB address register configure the
PTE4 pin for interrupt function to the IRQ interrupt. Setting PTE4IE
also enables the internal pullup on PTE4 pin.
0 = IRQ interrupt requests on falling edges only
1 = Falling edge on PTE4 is detected and PTE4IE is set
0 = Falling edge on PTE4 is not detected or PTE4IE is clear
1 = PTE4 interrupt enabled; triggers IRQ interrupt
0 = PTE4 interrupt disabled
Controls pullup option on IRQ pin
Enables PTE4 pin for external interrupts to IRQ
Shows the state of the PTE4 interrupt flag
$001C
Bit 7
Figure 13-4. IRQ Option Control Register (IOCR)
0
0
External Interrupt (IRQ)
= Unimplemented
6
0
0
0
5
0
0
4
0
3
0
0
IRQ Option Control Register
PTE4IF
2
0
External Interrupt (IRQ)
PTE4IE
1
0
Technical Data
IRQPD
Bit 0
0
225

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